Bugfix in world evaluator + enhance steps count

Now steps count evolve given the try number from 100% to 33%

gte/world.py

@@ -23,16 +23,20 @@ def eval_prog(args):
                for _ in range(args.turmit_count)]
 
     start = time.time()
-    for step in range(args.steps):
+    if trynum == 0:
+        steps = args.steps
+    else:
+        steps = args.steps - int((args.steps / 1.5) // (args.repeat_eval - trynum))
+    for step in range(steps):
         for turmit in turmits:
             turmit()
     stop = time.time()
 
     score = w.fractdim()
     if not args.quiet:
-        msg = 'G%d P%d run#%d scores %.3f in %.2fs (%dus per step)\t%s'
-        msg %= (generation, progid, trynum, score, stop - start,
-                ((stop - start)*1000000)//args.steps//len(turmits),
+        msg = 'G%d P%d run#%d %d steps scores %.3f in %.2fs (%dus per step)\t%s'
+        msg %= (generation, progid, trynum, steps, score, stop - start,
+                ((stop - start)*1000000)//steps//len(turmits),
                 str(prog))
         logger.info(msg)
     return progid, score